Title:
HOT WATER FEEDING DEVICE
Document Type and Number:
Japanese Patent JP3155401
Kind Code:
B2
Abstract:
PURPOSE: To make it hard to cause an under-shoot phenomenon of a fed water temperature by stopping forcedly heating of a heater when a fed hot water temperature exceeds a first threshold value by changing a heating quantity or a selection of a heater so as to suppress the heating quantity when a hot water feeding temperature exceeds a second threshold value and is equal to a first threshold value or less.
CONSTITUTION: In a hot water feeding device heating a heat exchanger 1 by a plurality of heaters 6, 7, selecting the heaters 6, 7 applied to heating according to a demand for heat, and controlling a heating quantity of the selected heaters 6 or 7, a fed water temperature detector 15 detecting a fed water temperature of the heat exchanger 1, and a temperature setting device 20 setting a first threshold value which is slightly lower than a boiling temperature of the hot water and a second threshold value which is lower than that by a predetermined value are provided. And, heating of the heaters 6, 7 is made to stop by an enforced heating stoppage device 37 when a detected temperature by the fed water temperature detector 15 exceeds a second threshold value, and is equal to the first threshold value and less, by changing a heating quantity or a selection of the heaters 6, 7 so as to suppress the heating quantity.
Inventors:
Munemura, Hiroshi
Tsuruta, Toru
Tsuchiya, Katsuhisa
Mitsunaga, Hidefumi
Tsuruta, Toru
Tsuchiya, Katsuhisa
Mitsunaga, Hidefumi
Application Number:
JP16553493A
Publication Date:
April 09, 2001
Filing Date:
July 05, 1993
Export Citation:
Assignee:
TOTO LTD
NIPPON UPRO KK
NIPPON UPRO KK
International Classes:
F24H1/10; (IPC1-7): F24H1/10
Attorney, Agent or Firm:
佐藤 一雄 （外３名）